package com.smallcc.controller;

import com.lly835.bestpay.rest.type.Get;
import com.smallcc.dataobject.ProductCategory;
import com.smallcc.dataobject.ProductInfo;
import com.smallcc.exception.SellException;
import com.smallcc.form.ProductForm;
import com.smallcc.service.CategoryService;
import com.smallcc.service.ProductService;
import com.smallcc.util.KeyUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.validation.Valid;
import java.util.List;
import java.util.Map;

/**
 * @author 晓风过境
 * @TODO 商品展示
 * @date 2018/4/1 17:02
 * @day 01
 * @return $text$
 * @title ${CLASS_NAME}
 * @project_name sell
 */
@RequestMapping("/seller/product")
@Controller
public class SellerProductController {

    @Autowired
    private ProductService productService;
    @Autowired
    private CategoryService categoryService;
    /**
     * 列表
     * @param page
     * @param size
     * @param map
     * @return
     */
    @GetMapping("/list")
    public ModelAndView list(@RequestParam(value = "page",defaultValue = "1") Integer page, @RequestParam(value = "size",defaultValue = "10") Integer size, Map map){
        PageRequest request = new PageRequest(page - 1, size);
        Page<ProductInfo> productInfoPage = productService.findAll(request);
        map.put("productInfoPage", productInfoPage);
        map.put("currentPage", page);
        map.put("size", size);
        return new ModelAndView("product/list", map);
    }

    /**
     * 商品上架
     * @param productId
     * @param map
     * @return
     */
    @RequestMapping("/on_sale")
    public  ModelAndView onSale(@RequestParam("productId") String productId,Map map){
        try{
            productService.onSale(productId);
        }catch (SellException e){
            map.put("msg",e.getMessage());
            map.put("url","/sell/seller/product/list");
            return new ModelAndView("common/error",map);
        }
            map.put("url","/sell/seller/product/list");
            return new ModelAndView("common/success",map);
    }
    /**
     * 商品下架
     * @param productId
     * @param map
     * @return
     */
    @RequestMapping("/off_sale")
    public  ModelAndView offSale(@RequestParam("productId") String productId,Map map){
        try{
            productService.offSale(productId);
        }catch (SellException e){
            map.put("msg",e.getMessage());
            map.put("url","/sell/seller/product/list");
            return new ModelAndView("common/error",map);
        }
        map.put("url","/sell/seller/product/list");
        return new ModelAndView("common/success",map);
    }
    @GetMapping("/index")
    public ModelAndView index(@RequestParam(value = "productId" ,required = false) String productId,Map map){
        if(!StringUtils.isEmpty(productId)){
            ProductInfo productInfo=productService.findOne(productId).get();
            map.put("productInfo",productInfo);
        }
        //查询所有的类目

        List<ProductCategory> categoryList = categoryService.findAll();
        map.put("categoryList",categoryList);
        return new ModelAndView("product/index",map);
    }
    @PostMapping("/save")
//    @CachePut(cacheNames = "product",key = "123")
//    @CacheEvict(cacheNames = "product",key = "123" )
    public ModelAndView save(@Valid ProductForm form, BindingResult bindingResult, Map<String,Object> map){
        if(bindingResult.hasErrors()){
            map.put("msg",bindingResult.getFieldError().getDefaultMessage());
            map.put("url","/sell/seller/product/index");
            return new ModelAndView("common/error",map);
        }
        ProductInfo productInfo=new ProductInfo();
        try{
            //如果productId为空，说明是新增
            if(!StringUtils.isEmpty(form.getProductId())){
            productInfo = productService.findOne(form.getProductId()).get();

            }else{
                form.setProductId(KeyUtil.genUniqueKey());
            }
        BeanUtils.copyProperties(form,productInfo);
            productService.save(productInfo);
        }catch (SellException e){
            map.put("msg",e.getMessage());
            map.put("url","/sell/seller/product/index");
            return new ModelAndView("common/error",map);
        }
        map.put("url","/sell/seller/product/list");
        return new ModelAndView("common/success",map);
    }
}
